/*
 * Copyright 2023 AntGroup CO., Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 */

package com.antgroup.geaflow.common.type.primitive;

import com.antgroup.geaflow.common.errorcode.RuntimeErrors;
import com.antgroup.geaflow.common.exception.GeaflowRuntimeException;
import com.antgroup.geaflow.common.type.IType;
import com.antgroup.geaflow.common.type.Types;

public class BooleanType implements IType<Boolean> {

    public static final BooleanType INSTANCE = new BooleanType();

    @Override
    public String getName() {
        return Types.TYPE_NAME_BOOLEAN;
    }

    @Override
    public Class<Boolean> getTypeClass() {
        return Boolean.class;
    }

    @Override
    public byte[] serialize(Boolean obj) {
        if (obj == null) {
            return null;
        }
        if (Boolean.TRUE.equals(obj)) {
            return new byte[] {1};
        }
        if (Boolean.FALSE.equals(obj)) {
            return new byte[] {0};
        }
        String msg = "illegal boolean value: " + obj;
        throw new GeaflowRuntimeException(RuntimeErrors.INST.typeSysError(msg));
    }

    @Override
    public Boolean deserialize(byte[] bytes) {
        if (bytes == null || bytes.length == 0) {
            return null;
        }
        if (bytes[0] == 1) {
            return Boolean.TRUE;
        }
        if (bytes[0] == 0) {
            return Boolean.FALSE;
        }
        String msg = "illegal boolean value: " + bytes[0];
        throw new GeaflowRuntimeException(RuntimeErrors.INST.typeSysError(msg));
    }

    @Override
    public int compare(Boolean a, Boolean b) {
        return Types.compare(a, b);
    }

    @Override
    public boolean isPrimitive() {
        return true;
    }

    @Override
    public String toString() {
        return getName();
    }
}
